﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.SharePoint;

namespace de.rwth.rz.campus.sharepointutils.UsersAndGroups
{
    /// <remarks>
    /// 
    /// Copyright 2010 RWTH Aachen, CAMPUS Labs
    /// 
    /// Licensed under the Apache License, Version 2.0 (the "License");
    /// you may not use this file except in compliance with the License.
    /// You may obtain a copy of the License at
    ///
    /// http://www.apache.org/licenses/LICENSE-2.0
    ///
    /// Unless required by applicable law or agreed to in writing, software
    /// distributed under the License is distributed on an "AS IS" BASIS,
    /// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    /// See the License for the specific language governing permissions and
    /// limitations under the License.
    /// 
    /// This class can be used to send emails to SharePoint groups.
    /// For every SharePoint user in a SharePoint group an email is generated.
    /// Be aware of the load of your SMTP server.
    /// 
    /// </remarks>
    public class Users
    {
        /// <summary>
        /// Generates a string for a From field
        /// </summary>
        /// <param name="user">The user</param>
        /// <returns>The From-string, i.e. "Dr. Angela Merkel (angela@merkel.de)"</returns>
        public static String GetUser4FromField(SPUser user)
        {
            StringBuilder fromfield = new StringBuilder(String.Empty);
            if (!String.IsNullOrEmpty(user.Name))
            {
                fromfield.Append(user.Name);
                fromfield.Append(" ");
            }
            if (!String.IsNullOrEmpty(user.Email))
            {
                Boolean useBrakets = false;
                if (!String.IsNullOrEmpty(fromfield.ToString())) useBrakets = true;
                if (useBrakets) fromfield.Append("(");
                fromfield.Append(user.Email);
                if (useBrakets) fromfield.Append(")");
            }
            return fromfield.ToString();
        }
    }
}
